Quifenadine

This classification denotes a histamine-1 receptor antagonist with the molecular formula C20H23NO, a preparation that US FDA regulates as an active ingredient or moiety under Unique Ingredient Identifier W9A18RJ49B, chemically known as 3-quinuclidinemethanol, alpha,alpha-diphenyl- but generally known as quifenadine, which bears US NIH Compound Identifier 65600. European Medicines Agency schedules Quifenadine in its eXtended EudraVigilance Medicinal Product Dictionary or XEVMPD under Index SUB10193MIG. The term QUIFENADINE is an International Non-Proprietary Name or INN (see WHO INN reference publication, Volume 34, No. 10 1980, List 20). QUIFENADINE is scheduled in the U.S. International Trade Commission's Harmonized Tariff System (HTS) Pharmaceutical Appendix. Most nations schedule quifenadine under HS 29333999 and SITC 51574. As of Q4 2014, QUIFENADINE remains the US FDA Preferred Term for this commodity. Quifenadine bears US NLM identifiers UMLS ID C0243449 and NCI Concept Code C81147. SMILES: OC(C1C2CCN(C1)CC2)(C1CCCCC1)C1CCCCC1.